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Two care are 228 miles apart and traveling toward each other along the same road. They meet in 3 hours. One car is traveling 4mph slower than the other. What is the speed of each car?
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Answers (1)
If both cars travel 228 miles and arrive in 3 hours, that means they are traveling at a combined rate of 76 miles per hour (228 divided by 3). Since we know the cars are traveling at a COMBINED rate of 76 miles per hour, we must divide this number by 2 in order to determine how fast each car would be moving INDEPENDENTLY if each car were moving at an equal rate. This answer is 38 miles per hour. However, since one car is driving 4 miles per hour faster than the other car, we have to find two numbers that are four digits apart, but that, when averaged out, equal 38. These numbers would be 40 and 36.
Your answer, therefore, is 40mph and 36mph.
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